Better ssh and x509 keys extraction
For ssh keys, try gathering all values found under both "public_keys" and "keys" fields under metadata. For x509 certificate keys, try looking into metadata under both "meta" and "keys" fields and finally userdata if no such information is retrieved earlier. Change-Id: I43345344aa008187787e97d6296abfc181416cf3
This commit is contained in:
Cosmin Poieana
parent
effb94ca0e
commit
30bab776b2
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@ -62,9 +62,18 @@ class BaseOpenStackService(base.BaseMetadataService):
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return self._get_meta_data().get('hostname')
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def get_public_keys(self):
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public_keys = self._get_meta_data().get('public_keys')
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if public_keys:
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return public_keys.values()
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"""Get a list of all unique public keys found among the metadata."""
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public_keys = []
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meta_data = self._get_meta_data()
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public_keys_dict = meta_data.get('public_keys')
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if public_keys_dict:
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public_keys = list(public_keys_dict.values())
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keys = meta_data.get("keys")
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if keys:
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for key_dict in keys:
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if key_dict["type"] == "ssh":
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public_keys.append(key_dict["data"])
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return list(set(public_keys))
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def get_network_details(self):
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network_config = self._get_meta_data().get('network_config')
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@ -94,35 +103,44 @@ class BaseOpenStackService(base.BaseMetadataService):
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return password
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def get_client_auth_certs(self):
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cert_data = None
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"""Gather all unique certificates found among the metadata.
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If there are no certificates under "meta" or "keys" field,
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then try looking into user-data for this kind of information.
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"""
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certs = []
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meta_data = self._get_meta_data()
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meta = meta_data.get('meta')
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meta = meta_data.get("meta")
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if meta:
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i = 0
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cert_data_list = []
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idx = 0
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while True:
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# Chunking is necessary as metadata items can be
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# max. 255 chars long
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cert_chunk = meta.get('admin_cert%d' % i)
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# max. 255 chars long.
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cert_chunk = meta.get("admin_cert%d" % idx)
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if not cert_chunk:
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break
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if not cert_data:
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cert_data = cert_chunk
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else:
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cert_data += cert_chunk
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i += 1
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cert_data_list.append(cert_chunk)
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idx += 1
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if cert_data_list:
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# It's a list of strings for sure.
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certs.append("".join(cert_data_list))
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if not cert_data:
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keys = meta_data.get("keys")
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if keys:
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for key_dict in keys:
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if key_dict["type"] == "x509":
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certs.append(key_dict["data"])
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if not certs:
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# Look if the user_data contains a PEM certificate
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try:
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user_data = self.get_user_data()
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if user_data.startswith(
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x509constants.PEM_HEADER.encode()):
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cert_data = user_data
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certs.append(user_data)
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except base.NotExistingMetadataException:
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LOG.debug("user_data metadata not present")
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if cert_data:
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return [cert_data]
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return list(set((cert.strip() for cert in certs)))
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@ -68,9 +68,64 @@ def get_fake_metadata_json(version):
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"FV3og4Wyz5zipPVh8YpVev6dlg0tRWUrCtZF9"
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"IODpCTrT3vsPRG3xz7CppR+vGi/1gLXHtJCRj"
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"frHwkY6cXyhypNmkU99K/wMqSv30vsDwdnsQ1"
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"q3YhLarMHB Generated by Nova\n",
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0: "windows"
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"q3YhLarMHB Generated by Nova\n"
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},
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"keys": [
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{
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"data":
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"ssh-rsa "
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"AAAAB3NzaC1yc2EAAAADAQABAAABA"
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"QDf7kQHq7zvBod3yIZs0tB/AOOZz5pab7qt/h"
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"78VF7yi6qTsFdUnQxRue43R/75wa9EEyokgYR"
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"LKIN+Jq2A5tXNMcK+rNOCzLJFtioAwEl+S6VL"
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"G9jfkbUv++7zoSMOsanNmEDvG0B79MpyECFCl"
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"th2DsdE4MQypify35U5ri5Qi7E6PEYAsU65LF"
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"MG2boeCIB29BEooE6AgPr2DuJeJ+2uw+YScF9"
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"FV3og4Wyz5zipPVh8YpVev6dlg0tRWUrCtZF9"
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"IODpCTrT3vsPRG3xz7CppR+vGi/1gLXHtJCRj"
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"frHwkY6cXyhypNmkU99K/wMqSv30vsDwdnsQ1"
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"q3YhLarMHB Generated by Nova\n",
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"type": "ssh",
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"name": "key"
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},
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{
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"data":
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"-----BEGIN CERTIFICATE-----\n"
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"MIIDNzCCAh+gAwIBAgIJAODgoAY83AxRMA0GCS"
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"qGSIb3DQEBCwUAMCsxKTAnBgNV\nBAMTIGE3ZD"
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"g3YTM1NzE1MDQzYzI4NDUwYTMzZGFiYWQwMDk2"
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"MB4XDTE1MDUxMjE5\nNDEwNVoXDTI1MDUwOTE5"
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"NDEwNVowKzEpMCcGA1UEAxMgYTdkODdhMzU3MT"
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"UwNDNj\nMjg0NTBhMzNkYWJhZDAwOTYwggEiMA"
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"0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIB\nAQ"
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"DAbRN9IRO0vEj6lgh5ZBAdpMR8mDymcP5M8uLT"
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"CqvrFSuv2yB+rei3fJ7Rw4Tv\nHX/aKCMVjqAO"
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"T3CwsO9UA+Q2BmbkCi/e8VpzHN8m8VwkyBLXNn"
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"4ed6e+G5WOPVXH\n76RajfRkDq+WCo330SiBWt"
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"QBsC0AP8l1M57XYxtowh/EweJDZ5bYIogPOnrP"
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"XRSl\nylDKiJuAs74fOiDITdeXCGeiPTy2VFCi"
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"LUV7DLpCRUV89tEpFlNVlD6yTmnE/Mrh\nA49s"
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"m9PUMY1cI8Bl5f5B/CBQa+5lEQT72HMOuumFrX"
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"MOD4jQIcNyRl4LKdam1wwA\nESu0s7Cz5LxvJc"
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"d4EgUxwYrHAgMBAAGjXjBcMBMGA1UdJQQMMAoG"
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"CCsGAQUFBwMC\nMEUGA1UdEQQ+MDygOgYKKwYB"
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"BAGCNxQCA6AsDCphN2Q4N2EzNTcxNTA0M2MyOD"
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"Q1\nMGEzM2RhYmFkMDA5NkBsb2NhbGhvc3QwDQ"
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"YJKoZIhvcNAQELBQADggEBABpTP8mg\nOHl+Jp"
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"3wcBVz5sdFUmPRCGJgPaG/rUgAHuC1UNNP3Oy0"
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"VlDOIc3Yv0Wt3kLa081N\nUy7NIQjQAN29Pq3c"
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"1Jsq0ucpzEroIBdwacCkB51lZ5CtzwlztK2KZ3"
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"gWJVpraQwn\nt9ZZ2w+eKKt332+uXFVqNgkBjN"
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"3LHeehFv1Vd0HQYPkuwWIrf7O0gpZP9MD3+GnZ"
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"\nEMvBxOV5yFPbPFQSWX50YHijtEkKbXb/liEA"
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"RccxZwl1aC2+IfaSrMh3JqWF/AQf\nlVtJYgGw"
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"ixt/OUsA+oA5u6LuPSJhwFnrAN8UWrrOLlswcl"
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"jQ2mfTambZp43AomqJ\n6N07zSahNAf/UqI=\n"
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"-----END CERTIFICATE-----\n",
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"type": "x509",
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"name": "cert"
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}
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],
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"network_config": {
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"content_path": "network",
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# This is not actually in the metadata json file,
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@ -43,6 +43,8 @@ class TestBaseOpenStackService(unittest.TestCase):
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fake_metadata = fake_json_response.get_fake_metadata_json(date)
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self._fake_network_config = fake_metadata["network_config"]
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self._fake_content = self._fake_network_config["debian_config"]
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self._fake_public_keys = fake_metadata["public_keys"]
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self._fake_keys = fake_metadata["keys"]
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self._partial_test_get_network_details = functools.partial(
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self._test_get_network_details,
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network_config=self._fake_network_config,
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@ -96,10 +98,16 @@ class TestBaseOpenStackService(unittest.TestCase):
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@mock.patch(MODPATH +
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".BaseOpenStackService._get_meta_data")
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def test_get_public_keys(self, mock_get_meta_data):
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mock_get_meta_data.return_value.get.side_effect = \
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[self._fake_public_keys, self._fake_keys]
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response = self._service.get_public_keys()
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mock_get_meta_data.assert_called_once_with()
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mock_get_meta_data().get.assert_called_once_with('public_keys')
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self.assertEqual(mock_get_meta_data().get().values(), response)
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mock_get_meta_data.return_value.get.assert_any_call("public_keys")
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mock_get_meta_data.return_value.get.assert_any_call("keys")
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values = (list(self._fake_public_keys.values()) +
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[key["data"] for key in self._fake_keys
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if key["type"] == "ssh"])
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self.assertEqual(sorted(list(set(values))), sorted(response))
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@mock.patch(MODPATH +
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".BaseOpenStackService._get_meta_data")
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@ -135,18 +143,30 @@ class TestBaseOpenStackService(unittest.TestCase):
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mock_get_user_data.side_effect = [ret_value]
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response = self._service.get_client_auth_certs()
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mock_get_meta_data.assert_called_once_with()
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if 'meta' in meta_data:
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self.assertEqual([b'fake cert'], response)
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elif type(ret_value) is str and ret_value.startswith(
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x509constants.PEM_HEADER):
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if isinstance(ret_value, bytes) and ret_value.startswith(
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x509constants.PEM_HEADER.encode()):
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mock_get_user_data.assert_called_once_with()
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self.assertEqual([ret_value], response)
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elif ret_value is base.NotExistingMetadataException:
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self.assertIsNone(response)
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self.assertFalse(response)
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else:
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expected = []
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expectation = {
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"meta": 'fake cert',
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"keys": [key["data"].strip() for key in self._fake_keys
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if key["type"] == "x509"]
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}
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for field, value in expectation.items():
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if field in meta_data:
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expected.extend(value if isinstance(value, list)
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else [value])
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self.assertEqual(sorted(list(set(expected))), sorted(response))
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def test_get_client_auth_certs(self):
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self._test_get_client_auth_certs(
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meta_data={'meta': {'admin_cert0': b'fake cert'}})
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meta_data={'meta': {'admin_cert0': 'fake ',
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'admin_cert1': 'cert'},
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"keys": self._fake_keys})
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def test_get_client_auth_certs_no_cert_data(self):
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self._test_get_client_auth_certs(
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